CN207811662U - A kind of waste heat of coke oven crude gas recovery system based on power-saving technology - Google Patents
A kind of waste heat of coke oven crude gas recovery system based on power-saving technology Download PDFInfo
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- CN207811662U CN207811662U CN201721239054.9U CN201721239054U CN207811662U CN 207811662 U CN207811662 U CN 207811662U CN 201721239054 U CN201721239054 U CN 201721239054U CN 207811662 U CN207811662 U CN 207811662U
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- China
- Prior art keywords
- tedge
- heat
- coke oven
- fixedly connected
- insulation layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model is related to technical field of exhaust heat recovery equipment, and disclose a kind of waste heat of coke oven crude gas recovery system based on power-saving technology, including tedge and heat exchanger tube, the inner wall of tedge is fixedly connected with first thermal insulation layer, the side of heat exchanger tube is fixedly connected with heat transmission fin, compensator is provided at the top of first thermal insulation layer, one end of tedge is socketed with flange, the outer wall of tedge is fixedly connected with second thermal insulation layer, the bottom of the heat exchanger tube other side offers water inlet, and heat exchanger tube is fixedly connected with water inlet pipe by water inlet.The utility model, prevent raw coke oven gas from being leaked in the interface of tedge and flange by sealing ring, to enhance the leakproofness of the device, the thermal stress of tedge thermal deformation generation can be reduced by the arrangement of compensator, the riser fatigue caused by tedge expanded by heating is avoided to damage, the stress for reducing flange simultaneously monitors the indoor pressure change of tedge chamber, to which the problem of whether tedge leaks learnt by pressure gauge.
Description
Technical field
The utility model is related to technical field of exhaust heat recovery equipment, specially a kind of coal oven dithio-gas based on power-saving technology
Residual neat recovering system.
Background technology
The raw gas temperature that coke oven comes out is about 750 DEG C or so, and the heat taken out of is equivalent to the total of coking by coke oven consumption
The 33~35% of heat, for ease of the purification and processing of rear process, common practice is in the prior art：Spray cycle ammonium hydroxide with
Raw coke oven gas is in direct contact, and is largely vaporized by cyclic ammonia water, so that raw coke oven gas is drastically cooled down and is sent to subsequent coal gas refining system.
Through retrieval, Chinese patent grant number CN 204987932 U, Granted publication 2016.01.20 disclose a kind of coking
Raw coke oven gas waste-heat recovery device, including weight medium wash temperature-reducing tower, and inside setting 1 section or 2 sections of inner members, inner member is several layers
Herringbone baffle or circular cone circle baffle or grid or column plate or weight medium sprinkler head, top setting weight medium feed pipe and spray fill
It sets.
The converting heat of the above process high temperature raw coke oven gas of the prior art is useless low temperature vapor and needs a large amount of
Recirculated water cooled down, have a defect that, not only wasted the heat of high temperature raw coke oven gas, but also consume a large amount of water resource,
Power conservation requirement is not met, raw coke oven gas tedge tube wall temperature is close to water and the mixture temperature of vapor, the tar in raw coke oven gas
It is condensed in chuck inner cylinder inner wall, causes to rise blockage.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of waste heat of coke oven crude gas based on power-saving technology time
Receipts system, has the advantages that heat recovery, and the converting heat for solving high temperature raw coke oven gas is useless low temperature vapor and needs
The problem of a large amount of recirculated water is cooled down, has not only wasted the heat of high temperature raw coke oven gas, but also consumed great lot of water resources.
(2) technical solution
To realize that the purpose of above-mentioned heat recovery, the utility model provide the following technical solutions：One kind being based on power-saving technology
Waste heat of coke oven crude gas recovery system, including tedge and heat exchanger tube, the inner wall of the tedge be fixedly connected with first every
The side of thermosphere, the heat exchanger tube is fixedly connected with heat transmission fin, and compensator is provided at the top of the first thermal insulation layer, described
One end of tedge is socketed with flange, and the outer wall of the tedge is fixedly connected with second thermal insulation layer, the heat exchanger tube other side
Bottom offer water inlet, the heat exchanger tube is fixedly connected with water inlet pipe, the top setting of the water inlet pipe by water inlet
There are water pump, one end of the water inlet pipe to be fixedly connected with heat-exchanging water tank.
Preferably, gas outlet is offered at the top of the tedge, the bottom of the tedge offers air inlet.
Preferably, the tedge is fixedly connected by sealing ring with flange, and the quantity of sealing ring is two.
Preferably, the first thermal insulation layer is fire clay thermal insulation layer, and the second thermal insulation layer is glass silk floss thermal insulation layer.
Preferably, the quantity of the heat exchanger tube is two, and the side of the heat exchanger tube is provided with pressure gauge.
Preferably, outlet pipe is fixedly connected at the top of the heat-exchanging water tank, the outlet pipe passes through water outlet and heat exchange
Pipe is fixedly connected.
(3) advantageous effect
Compared with prior art, the utility model provides a kind of waste heat of coke oven crude gas recycling system based on power-saving technology
System, has following advantageous effect：
1, it is somebody's turn to do the waste heat of coke oven crude gas recovery system based on power-saving technology, prevents raw coke oven gas in tedge by sealing ring
It is leaked with the interface of flange, to enhance the leakproofness of the device, tedge thermal change can be reduced by the arrangement of compensator
The thermal stress that shape generates, avoids the riser fatigue caused by tedge expanded by heating from damaging, while reducing the stress of flange, passes through
The pressure gauge monitoring indoor pressure change of tedge chamber avoids generating safe thing to which the problem of whether tedge leaks learnt
Therefore.
2, should waste heat of coke oven crude gas recovery system based on power-saving technology, by heat exchanger tube, heat transmission fin, water inlet pipe,
The heat recovery of high temperature raw coke oven gas can be produced steam or hot water, the steam of production by water pump, heat-exchanging water tank and outlet pipe
Or hot water reapplies and produces or live in coke-oven plant, it is heat-insulated by first thermal insulation layer and second to reach energy-efficient effect
Layer can prevent heat loss when waste heat recovery, and first thermal insulation layer is by high temperature raw coke oven gas and rises inside pipe wall isolation, keeps away
Exempt from the two to be in direct contact, to avoid the tar of raw coke oven gas from condensing on rising inside pipe wall.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is schematic enlarged-scale view at the utility model A.
In figure：1 tedge, 2 heat exchanger tubes, 3 gas outlets, 4 air inlets, 5 first thermal insulation layers, 6 heat transmission fins, 7 compensators, 8
Sealing ring, 9 flanges, 10 second thermal insulation layers, 11 water inlets, 12 water inlet pipes, 13 water pumps, 14 heat-exchanging water tanks, 15 outlet pipes, 16 go out
The mouth of a river, 17 pressure gauges.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, a kind of waste heat of coke oven crude gas recovery system based on power-saving technology, including tedge 1 and change
The top of heat pipe 2, tedge 1 offers gas outlet 3, and the bottom of tedge 1 offers air inlet 4, and the inner wall of tedge 1 is fixed
It is connected with first thermal insulation layer 5, first thermal insulation layer 5 is fire clay thermal insulation layer, and the side of heat exchanger tube 2 is fixedly connected with heat transmission fin 6,
First thermal insulation layer 5 is isolated by high temperature raw coke oven gas and 1 inner wall of tedge, avoids the two from being in direct contact, to avoid the coke of raw coke oven gas
Oil condenses on 1 inner wall of tedge, and the top of first thermal insulation layer 5 is provided with compensator 7, and compensator 7 is traditionally also expansion joint
Or telescopic joint, by the arrangement of compensator 7 can reduce by 1 thermal deformation of tedge generation thermal stress, avoid because tedge 1 by
Thermal expansion causes 1 fatigue damage of tedge, while reducing the stress of flange 9, and one end of tedge 1 is socketed with flange 9, tedge
1 is fixedly connected by sealing ring 8 with flange 9, and the quantity of sealing ring 8 is two, prevents raw coke oven gas from rising by sealing ring 8
The interface of pipe 1 and flange 9 leaks, and to enhance the leakproofness of the device, it is heat-insulated that the outer wall of tedge 1 is fixedly connected with second
Layer 10, second thermal insulation layer 10 are glass silk floss thermal insulation layer, can be returned in waste heat by first thermal insulation layer 5 and second thermal insulation layer 10
Prevent heat loss, the bottom of 2 other side of heat exchanger tube from offering water inlet 11 when receipts, heat exchanger tube 2 is solid by water inlet 11
Surely it is connected with water inlet pipe 12, the top of water inlet pipe 12 is provided with water pump 13, and one end of water inlet pipe 12 is fixedly connected with heat-exchanging water tank
14, the top of heat-exchanging water tank 14 is fixedly connected with outlet pipe 15, by heat exchanger tube 2, heat transmission fin 6, water inlet pipe 12, water pump 13,
The heat recovery of high temperature raw coke oven gas can be produced steam or hot water by heat-exchanging water tank 14 and outlet pipe 15, the steam of production or
Hot water, which is reapplied, to be produced or lives in coke-oven plant, and to reach energy-efficient effect, outlet pipe 15 passes through water outlet 16 and heat exchange
Pipe 2 is fixedly connected, and the quantity of heat exchanger tube 2 is two, and the side of heat exchanger tube 2 is provided with pressure gauge 17, is monitored by pressure gauge 17
The indoor pressure change of 1 chamber of tedge avoids generating safety accident to which the problem of whether tedge 1 leaks learnt.
When in use, it is somebody's turn to do the waste heat of coke oven crude gas recovery system based on power-saving technology, raw coke oven gas is discharged into from air inlet 4
In the chamber of riser 1, the temperature of raw coke oven gas is transmitted to by heat exchanger tube 2 by heat transmission fin 6, cold water original in heat exchanger tube 2 is added
At hot water or vapor, the water exchanged in heat pipe 2 by water pump 13 carries out water cycle, is prevented by first thermal insulation layer 5 heat
Tar in raw coke oven gas is condensed in 1 inner wall of tedge, is monitored in real time to the pressure of 1 chamber of tedge by pressure gauge 17,
To ensure that raw coke oven gas waste heat recovery carries out safely.
In conclusion being somebody's turn to do the waste heat of coke oven crude gas recovery system based on power-saving technology, pass through heat exchanger tube 2, heat transmission fin
6, the heat recovery of high temperature raw coke oven gas can be produced steam by water inlet pipe 12, water pump 13, heat-exchanging water tank 14 and outlet pipe 15
Or hot water, the steam or hot water of production, which are reapplied, to be produced or lives in coke-oven plant, to reach energy-efficient effect, passes through first
Thermal insulation layer 5 and second thermal insulation layer 10 can prevent heat loss when waste heat recovery, and first thermal insulation layer 5 is by high temperature raw coke oven gas
It is isolated with 1 inner wall of tedge, avoids the two from being in direct contact, to avoid the tar of raw coke oven gas from being condensed on 1 inner wall of tedge.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of waste heat of coke oven crude gas recovery system based on power-saving technology, including tedge (1) and heat exchanger tube (2), special
Sign is：The inner wall of the tedge (1) is fixedly connected with first thermal insulation layer (5), and the side of the heat exchanger tube (2) is fixedly connected
There is heat transmission fin (6), compensator (7), one end socket of the tedge (1) are provided at the top of the first thermal insulation layer (5)
There are flange (9), the outer wall of the tedge (1) to be fixedly connected with second thermal insulation layer (10), the bottom of heat exchanger tube (2) other side
Portion offers water inlet (11), and the heat exchanger tube (2) is fixedly connected with water inlet pipe (12), the water inlet pipe by water inlet (11)
(12) water pump (13) is provided at the top of, one end of the water inlet pipe (12) is fixedly connected with heat-exchanging water tank (14).
2. a kind of waste heat of coke oven crude gas recovery system based on power-saving technology according to claim 1, it is characterised in that：
Gas outlet (3) is offered at the top of the tedge (1), the bottom of the tedge (1) offers air inlet (4).
3. a kind of waste heat of coke oven crude gas recovery system based on power-saving technology according to claim 1, it is characterised in that：
The tedge (1) is fixedly connected by sealing ring (8) with flange (9), and the quantity of sealing ring (8) is two.
4. a kind of waste heat of coke oven crude gas recovery system based on power-saving technology according to claim 1, it is characterised in that：
The first thermal insulation layer (5) is fire clay thermal insulation layer, and the second thermal insulation layer (10) is glass silk floss thermal insulation layer.
5. a kind of waste heat of coke oven crude gas recovery system based on power-saving technology according to claim 1, it is characterised in that：
The quantity of the heat exchanger tube (2) is two, and the side of the heat exchanger tube (2) is provided with pressure gauge (17).
6. a kind of waste heat of coke oven crude gas recovery system based on power-saving technology according to claim 1, it is characterised in that：
Outlet pipe (15) is fixedly connected at the top of the heat-exchanging water tank (14), the outlet pipe (15) passes through water outlet (16) and heat exchange
Pipe (2) is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239054.9U CN207811662U (en) | 2017-09-26 | 2017-09-26 | A kind of waste heat of coke oven crude gas recovery system based on power-saving technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721239054.9U CN207811662U (en) | 2017-09-26 | 2017-09-26 | A kind of waste heat of coke oven crude gas recovery system based on power-saving technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207811662U true CN207811662U (en) | 2018-09-04 |
Family
ID=63336346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721239054.9U Expired - Fee Related CN207811662U (en) | 2017-09-26 | 2017-09-26 | A kind of waste heat of coke oven crude gas recovery system based on power-saving technology |
Country Status (1)
| Country | Link |
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| CN (1) | CN207811662U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159453A (en) * | 2019-04-28 | 2019-08-23 | 中国石油天然气股份有限公司 | Waste-heat recovery device for engine |
-
2017
- 2017-09-26 CN CN201721239054.9U patent/CN207811662U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159453A (en) * | 2019-04-28 | 2019-08-23 | 中国石油天然气股份有限公司 | Waste-heat recovery device for engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20190926 |